Questions /comments: are these estimates of CO2 per se, or expressions of CO2 equivalents? I am curious whether whether methane emissions are included such as emitted by ruminants, termites, rice paddies, arctic bogs and permafrost melts.
It would also be informative to show countries contribution to C02 (equivalent) emissions over a certain time span, say since 1960. However the trends and estimated amounts of methane emissions are of greatest interest; the concern is of course a run-away or out of control global climate change.